692
FNCA52 TJSJ 220937
FWFSJU
FIRE WEATHER PLANNING FORECAST FOR PUERTO RICO
NATIONAL WEATHER SERVICE SAN JUAN PR
537 AM AST MON JUL 22 2019
DISCUSSION
AN INCREASE IN LOW-LEVEL MOISTURE THIS MORNING IS YIELDING
SHOWERS ACROSS THE CARIBBEAN AND ATLANTIC WATERS. THIS ACTIVITY
IS FORECAST TO MOVE ACROSS PORTIONS OF THE SOUTHERN COASTAL
PLAINS, AND SOUTHERN HILLS THIS MORNING. ALSO, EAST TO SOUTHEAST
WINDS OF 15 TO 20 KTS WILL KEEP RELATIVE HUMIDITY VALUES ABOVE
THRESHOLD TODAY. RELATIVE HUMIDITY VALUES WILL RANGE FROM THE
MIDDLE 50'S TO LOWER 60S. ALTHOUGH KBDI VALUES CONTINUE ABOVE
CRITICAL THRESHOLDS BETWEEN 720-760, LOW FIRE DANGER CONDITIONS
ARE EXPECTED TODAY.
PRZ014-230945-
SOUTHEAST COASTAL PLAINS-
537 AM AST MON JUL 22 2019
TODAY TONIGHT TUE
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS TSTMS
CHANCE PRECIP (%) 20 30 50
TEMP (24H TREND) 91 (+2) 70 (-4) 94
RH % (24H TREND) 48 (-9) 96 (+8) 47
20FTWND-VAL/AM(MPH) E 7 E 9
20FTWND-RDG/PM(MPH) SE 11 E 7 E 12
MIXING HGT(FT-AGL/MSL)5000 4000
TRANSPORT WND (MPH) E 16 E 20
VENT RATE (KT-FT) 73000 76000
DISPERSION 5 5
DSI 6 5 6
LAL 2 1 2
HAINES INDEX 3 3 3
REMARKS...NONE.
PRZ015-230945-
SOUTHERN HILLS-
537 AM AST MON JUL 22 2019
TODAY TONIGHT TUE
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS SHOWERS TSTMS
CHANCE PRECIP (%) 40 20 50
TEMP (24H TREND) 90 (+2) 70 (-4) 94
RH % (24H TREND) 48 (-9) 93 (+11) 47
20FTWND-VAL/AM(MPH) E 6 E 8
20FTWND-RDG/PM(MPH) SE 9 E 6 E 11
MIXING HGT(FT-AGL/MSL)5000 4500
TRANSPORT WND (MPH) E 15 E 21
VENT RATE (KT-FT) 65000 85500
DISPERSION 5 5
DSI 5 3 6
LAL 2 1 2
HAINES INDEX 3 3 3
REMARKS...NONE.
PRZ016-230945-
NORTH COASTAL PLAINS-
537 AM AST MON JUL 22 2019
TODAY TONIGHT TUE
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS SHOWERS TSTMS
CHANCE PRECIP (%) 60 20 50
TEMP (24H TREND) 92 (+3) 72 (-4) 92
RH % (24H TREND) 51 (-10) 98 (+12) 55
20FTWND-VAL/AM(MPH) E 7 E 8
20FTWND-RDG/PM(MPH) E 10 E 8 E 11
MIXING HGT(FT-AGL/MSL)5500 5000
TRANSPORT WND (MPH) E 14 SE 18
VENT RATE (KT-FT) 70264 80044
DISPERSION 5 5
DSI 6 5 6
LAL 3 1 2
HAINES INDEX 3 3 3
REMARKS...NONE.
PRZ017-230945-
NORTHERN HILLS-
537 AM AST MON JUL 22 2019
TODAY TONIGHT TUE
CLOUD COVER MCLDY MCLEAR PCLDY
PRECIP TYPE TSTMS SHOWERS TSTMS
CHANCE PRECIP (%) 80 10 80
TEMP (24H TREND) 91 (+2) 71 (-4) 93
RH % (24H TREND) 50 (-8) 96 (+14) 50
20FTWND-VAL/AM(MPH) E 5 E 5
20FTWND-RDG/PM(MPH) E 7 E 5 E 8
MIXING HGT(FT-AGL/MSL)5500 5000
TRANSPORT WND (MPH) E 12 SE 17
VENT RATE (KT-FT) 70835 76500
DISPERSION 5 5
DSI 6 3 6
LAL 3 1 2
HAINES INDEX 3 3 3
REMARKS...NONE.
PRZ018-230945-
WEST COAST-
537 AM AST MON JUL 22 2019
TODAY TONIGHT TUE
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE TSTMS SHOWERS TSTMS
CHANCE PRECIP (%) 40 0 60
TEMP (24H TREND) 93 (+2) 72 (-2) 94
RH % (24H TREND) 44 (-10) 94 (+8) 47
20FTWND-VAL/AM(MPH) E 5 E 7
20FTWND-RDG/PM(MPH) E 6 E 6 E 8
MIXING HGT(FT-AGL/MSL)4500 4500
TRANSPORT WND (MPH) E 12 SE 16
VENT RATE (KT-FT) 67500 86978
DISPERSION 5 5
DSI 6 4 6
LAL 3 1 2
HAINES INDEX 3 3 3
REMARKS...NONE.
PRZ019-230945-
EASTERN INTERIOR-
537 AM AST MON JUL 22 2019
TODAY TONIGHT TUE
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS SHOWERS TSTMS
CHANCE PRECIP (%) 50 50 60
TEMP (24H TREND) 90 (+2) 70 (-5) 93
RH % (24H TREND) 49 (-8) 96 (+12) 49
20FTWND-VAL/AM(MPH) E 7 SE 9
20FTWND-RDG/PM(MPH) SE 9 E 6 E 11
MIXING HGT(FT-AGL/MSL)5500 4500
TRANSPORT WND (MPH) SE 15 SE 21
VENT RATE (KT-FT) 76769 85500
DISPERSION 5 5
DSI 6 4 6
LAL 2 1 2
HAINES INDEX 3 3 3
REMARKS...NONE.
PRZ022-230945-
LUQUILLO MOUNTAIN RANGE-
537 AM AST MON JUL 22 2019
TODAY TONIGHT TUE
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS SHOWERS TSTMS
CHANCE PRECIP (%) 50 80 80
TEMP (24H TREND) 88 (+4) 68 (-5) 90
RH % (24H TREND) 51 (-9) 94 (+12) 53
20FTWND-VAL/AM(MPH) E 8 E 11
20FTWND-RDG/PM(MPH) E 10 E 7 E 13
MIXING HGT(FT-AGL/MSL)4500 4000
TRANSPORT WND (MPH) SE 15 SE 22
VENT RATE (KT-FT) 58500 77501
DISPERSION 5 5
DSI 6 5 6
LAL 2 1 2
HAINES INDEX 3 3 3
REMARKS...NONE.
PRZ023-230945-
CENTRAL MOUNTAIN RANGE-
537 AM AST MON JUL 22 2019
TODAY TONIGHT TUE
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE TSTMS SHOWERS TSTMS
CHANCE PRECIP (%) 70 0 80
TEMP (24H TREND) 90 (+4) 67 (-4) 93
RH % (24H TREND) 50 (-9) 93 (+9) 49
20FTWND-VAL/AM(MPH) LGT/VAR E 5
20FTWND-RDG/PM(MPH) LGT/VAR LGT/VAR SE 6
MIXING HGT(FT-AGL/MSL)5500 5500
TRANSPORT WND (MPH) SE 13 SE 20
VENT RATE (KT-FT) 71222 97222
DISPERSION 5 5
DSI 5 2 5
LAL 3 1 2
HAINES INDEX 3 3 3
REMARKS...NONE.
PRZ024-230945-
CAYEY MOUNTAIN RANGE-
537 AM AST MON JUL 22 2019
TODAY TONIGHT TUE
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS SHOWERS TSTMS
CHANCE PRECIP (%) 30 60 70
TEMP (24H TREND) 88 (+2) 69 (-4) 90
RH % (24H TREND) 52 (-6) 94 (+11) 52
20FTWND-VAL/AM(MPH) E 7 E 9
20FTWND-RDG/PM(MPH) E 9 E 6 E 11
MIXING HGT(FT-AGL/MSL)5000 4000
TRANSPORT WND (MPH) E 15 E 21
VENT RATE (KT-FT) 70000 76000
DISPERSION 5 5
DSI 6 5 6
LAL 2 1 2
HAINES INDEX 3 3 3
REMARKS...NONE.
PRZ025-230945-
VIEQUES-
537 AM AST MON JUL 22 2019
TODAY TONIGHT TUE
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS SHOWERS TSTMS
CHANCE PRECIP (%) 40 80 80
TEMP (24H TREND) 90 (+3) 77 (-1) 91
RH % (24H TREND) 54 (-8) 91 (+6) 56
20FTWND-VAL/AM(MPH) E 13 E 17
20FTWND-RDG/PM(MPH) E 12 E 13 E 16
MIXING HGT(FT-AGL/MSL)3500 3000
TRANSPORT WND (MPH) E 18 E 24
VENT RATE (KT-FT) 52500 64874
DISPERSION 5 5
DSI 6 6 6
LAL 2 1 2
HAINES INDEX 3 3 3
REMARKS...NONE.
PRZ026-230945-
CULEBRA-
537 AM AST MON JUL 22 2019
TODAY TONIGHT TUE
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 40 70 50
TEMP (24H TREND) 90 (+3) 80 (0) 92
RH % (24H TREND) 57 (-8) 86 (+4) 55
20FTWND-VAL/AM(MPH) E 14 E 18
20FTWND-RDG/PM(MPH) E 13 E 14 E 16
MIXING HGT(FT-AGL/MSL)3000 3500
TRANSPORT WND (MPH) E 20 E 22
VENT RATE (KT-FT) 50718 66483
DISPERSION 5 5
DSI 6 6 6
LAL 1 1 1
HAINES INDEX 3 3 3
REMARKS...NONE.
PRZ027-230945-
SOUTHWEST COASTAL PLAINS AND MONA ISLAND-
537 AM AST MON JUL 22 2019
TODAY TONIGHT TUE
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE SHOWERS SHOWERS TSTMS
CHANCE PRECIP (%) 20 10 50
TEMP (24H TREND) 92 (+1) 71 (-4) 94
RH % (24H TREND) 47 (-7) 91 (+6) 47
20FTWND-VAL/AM(MPH) E 8 E 11
20FTWND-RDG/PM(MPH) SE 11 E 9 SE 14
MIXING HGT(FT-AGL/MSL)5000 4000
TRANSPORT WND (MPH) E 18 E 23
VENT RATE (KT-FT) 73778 80000
DISPERSION 5 5
DSI 6 5 6
LAL 1 1 2
HAINES INDEX 3 3 3
REMARKS...NONE.
VIZ001-230945-
SAINT THOMAS AND SAINT JOHN-
537 AM AST MON JUL 22 2019
TODAY TONIGHT TUE
CLOUD COVER PCLDY PCLDY MCLEAR
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 50 50 30
TEMP (24H TREND) 91 (+3) 78 (-1) 93
RH % (24H TREND) 54 (-7) 87 (+5) 53
20FTWND-VAL/AM(MPH) E 14 E 18
20FTWND-RDG/PM(MPH) E 13 E 15 E 16
MIXING HGT(FT-AGL/MSL)3500 3500
TRANSPORT WND (MPH) E 20 E 24
VENT RATE (KT-FT) 59500 75410
DISPERSION 5 5
DSI 6 6 6
LAL 1 1 1
HAINES INDEX 3 3 4
REMARKS...NONE.
VIZ002-230945-
ST CROIX-
537 AM AST MON JUL 22 2019
TODAY TONIGHT TUE
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 40 40 30
TEMP (24H TREND) 90 (+1) 76 (-1) 90
RH % (24H TREND) 54 (-6) 93 (+8) 57
20FTWND-VAL/AM(MPH) E 13 E 17
20FTWND-RDG/PM(MPH) E 13 E 12 E 15
MIXING HGT(FT-AGL/MSL)4500 4000
TRANSPORT WND (MPH) E 18 E 25
VENT RATE (KT-FT) 73500 87635
DISPERSION 5 5
DSI 6 6 6
LAL 1 1 1
HAINES INDEX 3 3 3
REMARKS...NONE.
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